{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa21f5169d90f37c48168c0090a722e28efbeb6cfde76d9dab113e52c3923b00b",
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}